#include "comm.hpp"
#include <cstring>

int main()
{
    //获取key值
    key_t k = ftok(PATH_NAME, PROJ_ID);
    if (k < 0)
    {
        Log("create key done", Error) << " client key : " << k << endl;
        exit(1);
    }
    Log("create key done", Debug) << " client key : " << k << endl;

    //获取共享内存
    int shmid = shmget(k, SHM_SIZE, 0);
    if (shmid < 0)
    {
        Log("create shm failed", Error) << " client key : " << k << endl;
        exit(2);
    }
    Log("create key success", Debug) << " client key : " << k << endl;

    //链接共享内存
    char* shmaddr = (char*)shmat(shmid, nullptr, 0);
    if (shmaddr == nullptr)
    {
        Log("attach shm failed", Error) << "client key : " << k << endl;
        exit(3);
    }
    Log("attach shm success", Debug) << " client key : " << k << endl;

    int fd = OpenFIFO(FIFO_NAME, WRITE);
    //使用
    //client将共享内存看做一个char类型的buffer
    while (true)
    {
        cout << "Please Enter The Message : " << endl;
        ssize_t s = read(0, shmaddr, SHM_SIZE - 1);
        if (s > 0)
        {
            shmaddr[s - 1] = 0;
            Signal(fd);
            if (strcmp(shmaddr, "quit") == 0) break;
        }
    }
    CloseFifo(fd);
    // char a = 'a';
    // for (; a <= 'z'; a++)
    // {
    //     snprintf(shmaddr, SHM_SIZE - 1, 
    //     "hello sever, 我是其他进程, 我的pid: %d, inc: %c\n", getpid(), a);
    //     sleep(2);
    // }
    // strcpy(shmaddr, "quit");

    //去关联
    int n = shmdt(shmaddr);
    assert(n != -1);
    Log("deatach shm success", Debug) << " client key : " << k << endl;


    return 0;
}